<template>
  <div>
    <!-- 头部面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>数据统计</el-breadcrumb-item>
      <el-breadcrumb-item>数据报表</el-breadcrumb-item>
    </el-breadcrumb>
    <el-card>
      <div id="main" style="width: 600px; height: 400px"></div>
    </el-card>
  </div>
</template>

<script>
import * as echarts from "echarts";
import _ from'lodash'
export default {
  data() {
    return {
      reposy: {
          title: {
            text: "用户来源",
          },
          tooltip: {
            trigger: "axis",
            axisPointer: {
              type: "cross",
              label: {
                backgroundColor: "#E9EEF3",
              },
            },
          },
          grid: {
            left: "3%",
            right: "4%",
            bottom: "3%",
            containLabel: true,
          },
          xAxis: [
            {
              boundaryGap: false,
            },
          ],
          yAxis: [
            {
              type: "value",
            },
          ],
        },
      }
  },
  async mounted() {
    // 基于准备好的dom，初始化echarts实例
    var myChart = echarts.init(document.getElementById("main"));
    //获取报表数据
    const { data: res } = await this.$http.get("reports/type/1");
    if (res.meta.status !== 200) return this.$message.error("获取报表失败");
    // 绘制图表
    const result = _.merge(res.data,this.reposy)
    myChart.setOption(result);
  },
};
</script>

<style  scoped>
.el-card {
  margin: 15px 0;
}
</style>
